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- Title
Neutrino Spectra of Magneto-Rotational Supernovae and Observations Using Large-Volume Telescopes.
- Authors
Kondratyev, V. N.; Cherubini, S.
- Abstract
The dynamics of neutrinos in hot and dense magnetized matter, corresponding to a magneto-rotational explosion of supernovae, is considered. It is shown that the effective collisions of neutrinos in a magnetized nucleon gas, due to the Gamow–Teller component of the neutral current, change from exo- to endo-energetic scattering, when the neutrino energy becomes approximately four times higher than the temperature of the substance. Correspondingly, the energy transfer cross section in the neutrino kinetics changes from positive to negative values under these conditions. For realistic parameters of supernovae, the considered effects lead to an increase in the hardness of the neutrino spectra. The possibilities of detecting supernova neutrinos by large-volume observatories KM3NeT and Baikal-GVD are discussed.
- Subjects
SUPERNOVAE spectra; NEUTRINO interactions; NEUTRINOS; NEUTRINO detectors; TELESCOPES; PARTICLES (Nuclear physics); NUCLEAR astrophysics; SOLAR neutrinos; SUPERNOVAE
- Publication
Astronomy Reports, 2023, Vol 67, Issue 2, p144
- ISSN
1063-7729
- Publication type
Article
- DOI
10.1134/S1063772923020051